Messages in this thread | | | From | "Huang\, Ying" <> | Subject | Re: [PATCH] mm, swap: Make VMA based swap readahead configurable | Date | Wed, 27 Sep 2017 09:36:39 +0800 |
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Michal Hocko <mhocko@kernel.org> writes:
> On Thu 21-09-17 09:33:10, Huang, Ying wrote: >> From: Huang Ying <ying.huang@intel.com> >> >> This patch adds a new Kconfig option VMA_SWAP_READAHEAD and wraps VMA >> based swap readahead code inside #ifdef CONFIG_VMA_SWAP_READAHEAD/#endif. >> This is more friendly for tiny kernels. > > How (much)?
OK. I will measure it.
>> And as pointed to by Minchan >> Kim, give people who want to disable the swap readahead an opportunity >> to notice the changes to the swap readahead algorithm and the >> corresponding knobs. > > Why would anyone want that? > > Please note that adding new config options make the already complicated > config space even more problematic so there should be a good reason to > add one. Please make sure your justification is clear on why this is > worth the future maintenance and configurability burden.
Hi, Minchan,
Could you give more information on this?
Best Regards, Huang, Ying
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